Home / 14,156.74-21,237.79-4,669.60

Finding the Fourth Proportional to 14,156.74, 21,237.79 and 4,669.60

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Solution

The fourth proportional to 14,156.74, 21,237.79 and 4,669.60 is: 7,005.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.74 : 21,237.79 = 4,669.60 : x
  2. Step 2: Convert to fraction form
    14,156.74/21,237.79 = 4,669.60/x
  3. Step 3: Cross multiply
    14,156.74x = 21,237.79 × 4,669.60
  4. Step 4: Simplify right side
    14,156.74x = 99,171,972.51
  5. Step 5: Solve for x
    x = 99,171,972.51/14,156.74
  6. Step 6: Final answer
    x = 7,005.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.